Disallow underscores by default in new installs

https://github.com/webmin/webmin/issues/2470
2025-07-20 16:48:46 +00:00 · 2025-05-10 09:11:54 -07:00
parent 412cc0b612
commit ffe27ae348
65 changed files with 65 additions and 65 deletions
--- a/bind8/config-AlmaLinux-6.0-ALL
+++ b/bind8/config-AlmaLinux-6.0-ALL
@ -21,7 +21,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-CentOS-Linux-6.0-7.9
+++ b/bind8/config-CentOS-Linux-6.0-7.9
@ -23,7 +23,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-CentOS-Linux-8.0-ALL
+++ b/bind8/config-CentOS-Linux-8.0-ALL
@ -21,7 +21,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-CentOS-Stream-Linux-8.0-ALL
+++ b/bind8/config-CentOS-Stream-Linux-8.0-ALL
@ -21,7 +21,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-CloudLinux-8.0-ALL
+++ b/bind8/config-CloudLinux-8.0-ALL
@ -21,7 +21,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-Oracle-Linux-8.0-ALL
+++ b/bind8/config-Oracle-Linux-8.0-ALL
@ -21,7 +21,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-Redhat-Enterprise-Linux-6.0-7.9
+++ b/bind8/config-Redhat-Enterprise-Linux-6.0-7.9
@ -23,7 +23,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-Redhat-Enterprise-Linux-8.0-ALL
+++ b/bind8/config-Redhat-Enterprise-Linux-8.0-ALL
@ -21,7 +21,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-Rocky-Linux-6.0-ALL
+++ b/bind8/config-Rocky-Linux-6.0-ALL
@ -21,7 +21,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-Scientific-Linux-6.0-ALL
+++ b/bind8/config-Scientific-Linux-6.0-ALL
@ -23,7 +23,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-Ubuntu-Linux-18.04-22.99
+++ b/bind8/config-Ubuntu-Linux-18.04-22.99
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-Ubuntu-Linux-24.04-ALL
+++ b/bind8/config-Ubuntu-Linux-24.04-ALL
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-aix
+++ b/bind8/config-aix
@ -18,7 +18,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-cobalt-linux
+++ b/bind8/config-cobalt-linux
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-coherent-linux
+++ b/bind8/config-coherent-linux
@ -23,7 +23,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-corel-linux
+++ b/bind8/config-corel-linux
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-debian-linux
+++ b/bind8/config-debian-linux
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-debian-linux-10.0-11.99
+++ b/bind8/config-debian-linux-10.0-11.99
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-debian-linux-12.0-ALL
+++ b/bind8/config-debian-linux-12.0-ALL
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-debian-linux-2.2
+++ b/bind8/config-debian-linux-2.2
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-debian-linux-3.0
+++ b/bind8/config-debian-linux-3.0
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-debian-linux-3.1-9.0
+++ b/bind8/config-debian-linux-3.1-9.0
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-freebsd-12.0-ALL
+++ b/bind8/config-freebsd-12.0-ALL
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-freebsd-2.1-2.2
+++ b/bind8/config-freebsd-2.1-2.2
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-freebsd-3.0
+++ b/bind8/config-freebsd-3.0
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-freebsd-3.1-3.5
+++ b/bind8/config-freebsd-3.1-3.5
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-freebsd-4.0-11.0
+++ b/bind8/config-freebsd-4.0-11.0
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-generic-linux
+++ b/bind8/config-generic-linux
@ -21,7 +21,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-gentoo-linux
+++ b/bind8/config-gentoo-linux
@ -23,7 +23,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-hpux
+++ b/bind8/config-hpux
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-irix
+++ b/bind8/config-irix
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-macos
+++ b/bind8/config-macos
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-macos-1.3-ALL
+++ b/bind8/config-macos-1.3-ALL
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-mandrake-linux
+++ b/bind8/config-mandrake-linux
@ -23,7 +23,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-mandrake-linux-10.2-ALL
+++ b/bind8/config-mandrake-linux-10.2-ALL
@ -22,7 +22,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-msc-linux
+++ b/bind8/config-msc-linux
@ -22,7 +22,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-netbsd
+++ b/bind8/config-netbsd
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-open-linux
+++ b/bind8/config-open-linux
@ -22,7 +22,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-openSUSE-Linux-15.0-ALL
+++ b/bind8/config-openSUSE-Linux-15.0-ALL
@ -25,7 +25,7 @@ pid_file=/var/run/named/named.pid
 chroot=
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-openbsd-2.5-3.1
+++ b/bind8/config-openbsd-2.5-3.1
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-openbsd-3.2-ALL
+++ b/bind8/config-openbsd-3.2-ALL
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-openmamba-linux
+++ b/bind8/config-openmamba-linux
@ -22,7 +22,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-openserver
+++ b/bind8/config-openserver
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-osf1
+++ b/bind8/config-osf1
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-pardus-linux
+++ b/bind8/config-pardus-linux
@ -25,7 +25,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-redhat-linux-7.0-ALL
+++ b/bind8/config-redhat-linux-7.0-ALL
@ -21,7 +21,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-redhat-linux-ALL-6.0
+++ b/bind8/config-redhat-linux-ALL-6.0
@ -23,7 +23,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-slackware-linux
+++ b/bind8/config-slackware-linux
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-slackware-linux-8.0-ALL
+++ b/bind8/config-slackware-linux-8.0-ALL
@ -21,7 +21,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-sol-linux
+++ b/bind8/config-sol-linux
@ -23,7 +23,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-solaris
+++ b/bind8/config-solaris
@ -21,7 +21,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-solaris-10-ALL
+++ b/bind8/config-solaris-10-ALL
@ -19,7 +19,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-solaris-7-9
+++ b/bind8/config-solaris-7-9
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-suse-linux
+++ b/bind8/config-suse-linux
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-suse-linux-8.2
+++ b/bind8/config-suse-linux-8.2
@ -25,7 +25,7 @@ pid_file=/var/run/named/named.pid
 chroot=/var/lib/named
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-suse-linux-9.0-9.2
+++ b/bind8/config-suse-linux-9.0-9.2
@ -25,7 +25,7 @@ pid_file=/var/run/named/named.pid
 chroot=/var/lib/named
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-suse-linux-9.3-ALL
+++ b/bind8/config-suse-linux-9.3-ALL
@ -25,7 +25,7 @@ pid_file=/var/run/named/named.pid
 chroot=/var/lib/named
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-syno-linux
+++ b/bind8/config-syno-linux
@ -16,7 +16,7 @@ short_names=0
 named_path=/usr/syno/named/bin
 confirm_zone=1
 soa_style=1
-allow_underscore=1
+allow_underscore=0
 pid_file=/var/run/named.pid
 by_view=0
 show_list=1
--- a/bind8/config-trustix-linux
+++ b/bind8/config-trustix-linux
@ -24,7 +24,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 chroot=/
 master_dir=/etc/named.d/master
--- a/bind8/config-trustix-linux-2.1
+++ b/bind8/config-trustix-linux-2.1
@ -24,7 +24,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 chroot=/
 master_dir=/var/named/master
--- a/bind8/config-trustix-linux-2.2-ALL
+++ b/bind8/config-trustix-linux-2.2-ALL
@ -24,7 +24,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 chroot=/var/lib/named/chroot
 master_dir=/var/named/master
--- a/bind8/config-turbo-linux
+++ b/bind8/config-turbo-linux
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-united-linux
+++ b/bind8/config-united-linux
@ -23,7 +23,7 @@ stop_cmd=/etc/init.d/named stop
 pid_file=/var/run/named/named.pid
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-unixware
+++ b/bind8/config-unixware
@ -21,7 +21,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0
--- a/bind8/config-windows
+++ b/bind8/config-windows
@ -20,7 +20,7 @@ forwardzonefilename_format=ZONE.hosts
 reversezonefilename_format=ZONE.rev
 rev_must=0
 ipv6_mode=1
-allow_underscore=1
+allow_underscore=0
 by_view=0
 confirm_zone=1
 confirm_rec=0